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1. Iceland - Geothermal Plant

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You are thrown into your first mission facing an open cargo door. Walk forward and fall out. You'll safely land in water and receive notification of a new objective. Pull up your OPSAT ("Select" on most consoles) and read your new objective: NSA - Investigate geothermal plant. You have a goal.

Before exiting out of the OPSAT menu, you may care to check out the various options. The 3D Map is just that, a 3D map of your current environment (note the tunnel that leads from the water pit where you are to the Facility). You have no Data at this point, nor any Profiles. Scroll through your equipment to see what you have on you. When you're done examining your OPSAT, hit the OPSAT button again and return to the game.

Investigate the geothermal plant (NSA)

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Swim toward John. Once you tag your partner, he'll swim toward the open pipe. Follow him to the pipe (you may have to use your "Y" and "B" buttons for precision, although you should be able to control your depth with your movement and camera sticks), then swim through it. Once you pop out on the opposite side, hit the "Y" button to swim straight up. Watch as your partner takes down a guard through the open hole, then swim up and into that open hole (If you get an "^" select it with "A" to surface). When you surface, hit "Y" again to climb out. Please note, there is a guard in the area. If you climb out fast, he shouldn't spot you. However, if he is spotting you, wait under the water's surface and equip your Night Vision Goggles ("left" on your D-pad) to see if you can spot him. Move when he's walking away from the hole.

Remain still while Lambert speaks to you, because you don't want to alert the guard of your presence. Watch the guard. When he turns his back you you, move away from the hole, and away from him. Remain crouched and sneak to the other side of the large pipe.

The next goal is to get both John and you over the fence. However, the fence is electrified, and you must release it of its power.

John tells you the power box is inside the outbuilding. Approach the stairs leading to the outbuilding and pull out your Pistol. Before using it, look at the guard behind you, and make sure he's not moving in your direction, as you don't want to raise any suspicion with him. When ready, use the Pistol's OCP function (secondary fire - "LT") to temporarily disable the light above the door. When the light goes out, slowly move up the stairs and open the door. As long as you are quiet, the sleeping guard will remain in his bed. Sneak past him and into the next area. Locate the power box in the back left corner, and take the "Cut Cable" option. When the cable is cut, sneak back past the guard and return outside.

Approach the fence and meet up with your partner. After boosting him up, climb the fence, yourself. Look left to locate the ladder, then climb it. Look up and note the wire. Move under it and jump up. You'll automatically zip along the wire, into the base. If you have gone undetected thus far, you will have completed the NSA: Infiltrate plant without alert secondary goal. Checkpoint.

Immediately crouch and move right. Drop down to the platform below, where you'll spot a guard beneath you. Wait for him to move right, then drop down and sneak past him to the stairs. Move down said stairs.

Continue down the next set, but wait at the landing. There will be two guards below. They should either be talking, or moving away from one another, having just finished their conversation. Wait for them to break apart, and watch as one stands in front of the container beneath the catwalk, and the other moves beneath the stairs. When the guard moves beneath the stairs, slowly head down. Carefully cross the landing, as it is lit up and you can be spotted, and carefully head down the next set. Before reaching the ground, use the Pistol's OCP to temporarily take out the light above you and to the right.

Once you reach the bottom of the stairs, move toward the fence, then hang a left. The guard in front of the container will be facing you, but he can't see you in the dark of night. Continue along the fence to the corner, then move left to the power box (note, keep an eye to your left for the wandering flashlight guard). Again, cut the cable to cut the power to the fence. When this is done, climb up and over the fence.

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Your goal is to make it to the red lit ladder at the opposite end of the area, however you must keep an eye out for the spotlight along the left side, along with the two wandering guards. If you take a few steps right you should see a guard coming toward you from the left (if you don't, wait). Stay back and out of the line of his flashlight. When he turns the corner away from you, slip past him and up the "alley" he was just in. You'll spot the ladder at the far end. However, you'll also spot another guard. He'll guard the ladder, walking left and right. Get close to him, as the first guard will return to the alley you were in (he walks in circles), wait for the guard to move right, then climb the ladder onto the platform.

Move around the silo structure and find the next red-lit ladder. Climb it up, then jump onto the horizontal bar. Pull your feet up ("Jump/A" again), then shimmy over to the other side. There is a guard on the other side, but, if you move quickly, he'll be at the bottom of the stairs by the time you reach the opposite end. At the end, lower your feet then grab onto the railing. Pull yourself up and over. Move down the stairs and approach the fan.

Checkpoint.

Climb into the fan. Here, if you have been undetected, you will complete the Infiltrate base without alerts secondary objective. You will also watch your young and eager partner be gunned down.

Prevent missile from launching (NSA)

Note the timer at the bottom of your screen. That's how much time you have to prevent the missile from launching, so move fast.

Shimmy left to the yellow catwalk. Once you turn the corner, pull yourself up and over the railing. Move to the far end of the catwalk, then through the opening to the right. Make your way to the stairs and quietly move down them (there's a guard moving down the set of stairs beneath you). Move down and around to that set of stairs. At this point the guard should just be reaching the bottom floor. Use the Pistol's OCP to temporarily take out the light on the bottom floor (above the guard and to the left). This will cause the guard to look at it, and provide you with darkness to come off the stairs and move past the guard to the right.

Move toward the missile and locate the Manual Release valve. Turn it, then turn around. Walk a few steps forward, then look for a panel to your right (not the computer to the far right, but one near the center). Activate it to ride the lift up. You will be back on the above level.

The guard that moves up and down the stairs should be either coming or going. Let him go back down the stairs (if he's not already there), then move off the lift to the left. Make another left and walk out onto the catwalk where...uh oh...you can't reach the missile. Drat! Continue around and note the guy in the small glass control area. You need to get in that area.

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With the missile to your back, move close to the guard in the control area and whistle (press "down" on the D-Pad). Whistle until he hears you and leaves his booth to investigate. At this point, turn around and run around the catwalk to the other side. Quickly use your OCP on the light (so he doesn't spot you crossing right), then use it on the light in the glass booth. Step in and hit the button to extend the bridge. The guard should still be out on the bridge. Move up the side he's not on and access the monitor, which you must now hack.

Hacking is a fairly easy process, particularly at this stage in the game. The computer is trying to solve the code itself, it just needs you to help it along. There are four columns of numbers. Watch as some of the numbers in each of the columns lock on to a number and stops searching. The locked upon number will be the same per column. When this happens, move the cursor over the locked on number and select it. This is the number for that column. Move over to the next column and repeat. Repeat two more times to solve the code.

Reach extraction (NSA)

At this point you will have 60 seconds to exit the building. Climb the ladder then hang a left. Stand on top of the missile and a rope will drop down for you. Climb it to complete the level.

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